How far is Harrisburg, IL from Markham, IL?

The driving distance from Harrisburg, IL to Markham, IL is about 310.9 miles (500.3 km), with a travel time of about 04h 57m by car.

  • The straight-line flight distance is about 270.2 miles (434.8 km).
  • For a round trip, plan for roughly 09h 54m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
310.86 mi
04h 57m
Flight
270.14 mi
434.75 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Harrisburg.

Flight Distance

Direct air line
270.14 mi
Kilometers
434.75 km
Flight Time
00h 32m

Driving Distance

Road route
310.86 mi
Kilometers
500.28 km
Drive Time
04h 57m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 04h 57m.

Arrival Snapshot
Arrive in Markham
Mon, Jul 27, 8:09 PM CDT
Return by in Harrisburg
Tue, Jul 28, 1:07 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Harrisburg
2026-07-27T15:12
Arrive Markham
Mon, Jul 27, 8:09 PM CDT
Route Timing
04h 57m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:57 AM to 12:57 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:06 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Harrisburg
9:00 PM CDT
Early departure recommended

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Humboldt
IL

Village in Coles County, Illinois, United States of America

From Harrisburg
154.8 mi
02h 28m
To Markham
156 mi
02h 28m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
98°F
Today

Sunny

Starts
Mon, Jul 27 11:00 AM CDT
Wind
6 mph SW
Destination
90°F
Today

Mostly Cloudy then Slight Chance Showers And Thunderstorms

Starts
Mon, Jul 27 10:00 AM CDT
Wind
10 to 15 mph SW

Driving Route Map

The map below follows the saved road route between Harrisburg and Markham.

Turn-by-Turn Driving Directions

Step-by-step road directions between Harrisburg and Markham.

  1. 1

    Start on West Poplar Street

    27 m · 10 sec · West Poplar Street

  2. 2

    Turn left onto North Main Street

    1.5 mi · 3 min · North Main Street

  3. 3

    Continue straight

    30.5 mi · 46 min

  4. 4

    Enter the roundabout and take exit 2 toward Public Square

    124 m · 10 sec · West Main Street

  5. 5

    Exit the rotary onto West Main Street

    3144 ft · 55 sec · West Main Street

  6. 6

    Take the ramp slight right

    1685 ft · 41 sec

  7. 7

    Merge slight left onto Ken Gray Expressway

    24 mi · 26 min · Ken Gray Expressway

  8. 8

    Keep slight right to continue on Ken Gray Expressway

    67.5 mi · 1 hr 13 min · Ken Gray Expressway

  9. 9

    Keep slight left to continue on I 57 North: Chicago

    181.3 mi · 3 hr 15 min

  10. 10

    Take the exit slight right toward I 80 East: Indiana

    2657 ft · 50 sec

  11. 11

    Merge slight left

    2.2 mi · 3 min

  12. 12

    Take the exit slight right toward Kedzie Avenue

    1232 ft · 33 sec

  13. 13

    Turn left onto Kedzie Avenue

    1.3 km · 2 min · Kedzie Avenue

  14. 14

    Turn left onto 163rd Street

    20 m · 3 sec · 163rd Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · 163rd Street

Car Route Details

A richer read on the saved driving route between Harrisburg and Markham.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
15 steps
5 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
4.8 / 100 mi
Decision points by distance
Main Roads
I 57 North
181 mi · 58%
Ken Gray Expressway
91.4 mi · 29%
North Main Street
32 mi · 10%
I 80 East
2.74 mi · 1%
Kedzie Avenue
1.02 mi
West Main Street
0.95 mi
Longest Stretch

I 57 North

Keep slight left to continue on I 57 North: Chicago

181 mi · 03h 15m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 57m
Long day trip
Same-Day Return
09h 54m
Round-trip wheel time
Road vs Air
+40.7 mi
270.2 mi direct line
Halfway Stop
Humboldt
02h 28m from Harrisburg
Leave By
7:06 AM CDT
Early departure recommended
Weather Watch

Sunny leaving Harrisburg and Mostly Cloudy then Slight Chance Showers And Thunderstorms near Markham.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Harrisburg to Markham?

The road trip is about 310.9 miles (500.3 km) and usually takes 04h 57m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Humboldt is a useful midpoint, sitting about 154.8 miles from Harrisburg and 156 miles from Markham.

How much longer is the road route than the straight-line distance?

The direct path is about 270.2 miles (434.8 km), while the road route adds roughly 40.7 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:06 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $41.37 one way or $82.74 round trip. Estimated CO2 is about 97.5 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Harrisburg and Mostly Cloudy then Slight Chance Showers And Thunderstorms near Markham.

Stop Ideas Near Humboldt

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Humboldt, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Humboldt.

RAIL

Mattoon station

14 mi away
1718 Broadway Ave.
RAIL

Effingham

57 mi away
401 West National Ave.
RAIL

Illinois Terminal

57 mi away
45 East University Ave.
RAIL

Rantoul

80 mi away
West Sangamon and North Kentucky Aves.

Flight Path Map

This map shows the direct air route between Harrisburg and Markham. Straight-line distance: 270.14 mi (434.75 km).

Harrisburg

#1 Harrisburg

County seat of Saline County, Illinois, United States

Population8,404
Coordinates37.7383800, -88.5406100
Altitude121
CountryUnited States
Markham

#2 Markham

A city located in Cook County, Illinois.

Population13,400
Coordinates41.5936500, -87.6947700
Altitude189
CountryUnited States
Start: West Poplar Street (-88.54061, 37.738363)
End: 163rd Street (-87.694771, 41.593508)

Estimated Travel Time

Distance: 500 km by road

SpeedTime
30 mph (48.3 km/h)10h 21m
40 mph (64.37 km/h)07h 46m
50 mph (80.47 km/h)06h 13m
60 mph (96.56 km/h)05h 10m
70 mph (112.65 km/h)04h 26m
80 mph (129 km/h)03h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.97 gal
41.52 L · about $41.37
Round trip
$82.74
21.94 gal · 83.04 L
Estimated CO2
97.5 kg one way
Round trip: 195 kg / 430 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $41.37 $82.74
Mid-grade $4.25 $46.66 $93.31
Premium $4.65 $51.05 $102.11
Diesel $5.30 $58.18 $116.37

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Illinois · Jul 27, 2026

There is no time difference between Harrisburg and Markham. The current time is 15:12:40.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.